after the fact UK /ˌɑːftə ðə ˈfækt/US /ˌæftɚ ðə ˈfækt/prepositional phrase 2after-the-fact adjective 1 prepositional phrase2 •After the occurrence of some action or event, such as a crime or the formation of a contract. •Too late; after something is finished or final.You made the commitment, and you can't change the terms after the fact. after-the-fact adjective1 •Occurring or done after an event has already happened; retrospective.